Computer hardware; Computer hardware for use in building security systems; Computer software for monitoring and administrating building security systems

Installation and maintenance of building security and access control systems; upgrade and installation of computer hardware; Repair of computer hardware

Design of security and access control systems; programming of computerized security and access control systems; technical support services, namely, troubleshooting in the nature of diagnosing computer hardware and software problems; technical support services, namely, troubleshooting in the nature of diagnosing of computerized building security and access control system hardware and software problems; upgrade and installation of computer software

Monitoring security alarms; consulting services in the field of building security; administration of building security and access control systems for others; operation of building security and access control systems for others; control of building security and access control systems for others